PCB feeding mechanism

Abstract

The utility model relates to a PCB (printed circuit board) feeding mechanism which comprises a substrate. A material table and a lifting device are arranged on the top face of the base plate, and the lifting device is arranged close to one end of the material table. A feeding device is arranged at the upper end of the material table. A suction cup device is arranged on the upper side of the lifting device and is in driving connection with the lifting device, and the lifting device drives the suction cup device to ascend and descend. The feeding device comprises a feeding support, a feeding air cylinder and a conveying belt. The feeding support is fixed to the upper side of the material table, the feeding air cylinder is arranged on the top face of the feeding support, and the feeding air cylinder is in driving connection with the conveying belt. The feeding support, the feeding air cylinder and the conveying belt are arranged on the two sides of the lifting device respectively. The feeding air cylinder drives the conveying belt to contract and reset, and the suction cup device descends to suck materials. When the suction cup device moves upwards to the upper side of the feeding device, the conveying belt is pushed out by the feeding air cylinder. The automatic feeding device is simple in structure, low in equipment investment and automatic in feeding process, labor cost is reduced, and production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of PCB board production, and specifically relates to a PCB board feeding mechanism. Background Art

[0002] In a highly automated PCB production line, loading is the starting point of the entire production process. The automatic feeder ensures that the PCB boards can be delivered to the subsequent production links in a timely and accurate manner to maintain the continuous operation of the production line. The existing loading device usually includes a rack, a storage frame, a lifting mechanism, a push mechanism conveyor belt, etc. This loading device has a complex structure and requires a high initial equipment investment. The other party's staff needs to insert the PCB board into the receiving frame, which consumes a lot of manpower.

[0003] Therefore, the above situation needs to be resolved urgently. Utility Model Content

[0004] Purpose of the utility model: In order to overcome the above shortcomings, the utility model provides a PCB board feeding mechanism, specifically a PCB board feeding mechanism, which can realize continuous supply of PCB boards to the production line, speed up the production rhythm, improve production efficiency, and save labor costs.

[0005] Technical solution: In order to achieve the above-mentioned purpose, a PCB board feeding mechanism includes a substrate. A material table and a lifting device are provided on the top surface of the substrate, and the lifting device is arranged near one end of the material table. A feeding device is provided on the upper end of the material table. A suction cup device is provided on the upper side of the lifting device, and the suction cup device and the lifting device are drivingly connected, and the lifting device drives the suction cup device to rise and fall. The feeding device includes a feeding bracket, a feeding cylinder, and a conveyor belt. The feeding bracket is fixed to the upper side of the material table, the feeding cylinder is arranged on the top surface of the feeding bracket, the conveyor belt is arranged on the upper side of the feeding bracket, and the feeding cylinder and the conveyor belt are drivingly connected. The feeding bracket, the feeding cylinder, and the conveyor belt are grouped and arranged on both sides of the lifting device. The feeding cylinder drives the conveyor belt to retract and reset, and the suction cup device descends to absorb the material. When the suction cup device moves up to the upper side of the feeding device, the feeding cylinder pushes the conveyor belt out. During work, workers stack PCB boards on the upper side of the material table, the feeding cylinder drives the conveyor belt to retract and reset, the lifting device drives the suction cup device to descend and absorb the PCB board, and then the lifting device drives the suction cup device to rise to the upper side of the feeding device, the feeding cylinder pushes the conveyor belt out, the suction cup device is closed, the PCB board falls on the conveyor belt, the conveyor belt rotates, and the PCB board is transferred to the next workstation. The utility model has a simple structure, low equipment investment, and an automated feeding process. There is no need to insert the PCB board into the receiving frame. The PCB board only needs to be stacked on the upper side of the material table to realize automated loading, which reduces manpower and improves production efficiency.

[0006] Furthermore, in the above-mentioned PCB board feeding mechanism, the lifting device includes a lifting bracket, the lifting bracket has an L-shaped cross-section, the bottom end of the lifting bracket is fixed to the top surface of the substrate, and the lifting bracket is provided with a lifting cylinder and a guide rail on the side away from the feeding device. The lifting cylinder and the guide rail are arranged in parallel. The lifting cylinder is provided with a moving block. The lifting cylinder drives the moving block to move up and down, and the guide rail is provided with a slider, and the slider slides along the guide rail. The moving block is connected to the slider through an I-shaped connecting plate. A suction cup bracket is provided at one end of the I-shaped connecting plate away from the lifting cylinder. The suction cup bracket slides up and down along the guide rail under the drive of the lifting cylinder.

[0007] Furthermore, in the above-mentioned PCB board feeding mechanism, the suction cup device includes a suction cup cross bar, a suction cup connecting rod, the suction cup cross bar is provided with a cross bar through slot, the suction cup connecting rod is provided with a connecting rod through slot, and screws are passed through the cross bar through slot and the connecting rod through slot. A suction cup is passed through the end of the suction cup connecting rod away from the suction cup cross bar. The cross bar through slot and the connecting rod through slot are set to be elliptical, the suction cup connecting rod can be extended and retracted along the connecting rod through slot, and the suction cup connecting rod can be moved along the cross bar through slot, thereby adjusting the position of the suction cup to meet the feeding requirements of PCB boards of different sizes, thereby improving the adaptability of the utility model.

[0008] Furthermore, in the above-mentioned PCB board feeding mechanism, the suction cup connecting rod includes a first suction cup connecting rod, a second suction cup connecting rod, a third suction cup connecting rod, and a fourth suction cup connecting rod. The first suction cup connecting rod and the second suction cup connecting rod are arranged in an X-shaped superposition. The third suction cup connecting rod and the fourth suction cup connecting rod are arranged in an X-shaped superposition. The first suction cup connecting rod, the second suction cup connecting rod, the third suction cup connecting rod, and the fourth suction cup connecting rod are respectively provided with suction cups at one end away from the suction cup cross bar. The first suction cup connecting rod, the second suction cup connecting rod, the third suction cup connecting rod, and the fourth suction cup connecting rod are arranged to suck a PCB board at a time, thereby improving the feeding efficiency. Usually, two rows and two columns of PCB boards form a board, and the first suction cup connecting rod, the second suction cup connecting rod, the third suction cup connecting rod, and the fourth suction cup connecting rod are arranged in pairs in an X-shaped superposition, which can meet the PCB layout requirements in the automated production process of PCB boards and improve the adaptability of the equipment.

[0009] Furthermore, in the above-mentioned PCB board feeding mechanism, the feeding bracket includes a first bracket and a second bracket; the first bracket and the second bracket are respectively arranged on both sides of the lifting device, the second bracket is fixed to the side wall of the material table, an elliptical hole is arranged at the bottom of the first bracket, the first bracket is movably connected to the material table through the elliptical hole, and the first bracket is arranged on the side of the lifting device away from the second bracket. The side wall of the second bracket can provide a limit for the stacked PCB boards, ensuring that the PCB boards are in the same position, so that the suction cup device absorbs the PCB boards and places them on the upper side of the conveyor belt of the feeding device to prevent the PCB boards from falling from the conveyor belt. The first bracket can move within the range of the elliptical hole to adjust the distance between the conveyor belts to meet the feeding requirements of PCB boards of different sizes and improve the adaptability of the equipment.

[0010] Furthermore, in the above-mentioned PCB board feeding mechanism, the lifting cylinder is a rodless cylinder. The rodless cylinder has a compact structure, a stronger load capacity, no rod length limit, and can provide a longer stroke to meet application requirements.

[0011] Furthermore, in the above-mentioned PCB board feeding mechanism, the conveyor belt is wound around the outside of the driving wheel and the guide wheel, the driving wheel is connected to the motor drive, the motor drives the driving wheel to rotate, the driving wheel drives the conveyor belt to rotate, and the conveyor belt transports the PCB board to the next process.

[0012] Furthermore, in the above-mentioned PCB board feeding mechanism, two feeding cylinders are arranged in a group on the top surface of the feeding bracket. The cylinder shaft of the feeding cylinder is fixedly connected to a long plate, and the top surface of the long plate is higher than the conveyor belt. The drive wheel and the guide wheel shaft are movably connected to the long plate, and the drive wheel and the guide wheel are arranged on the side of the long plate away from the feeding cylinder. During the feeding process, the PCB board falls on the conveyor belt. At this time, the PCB board is between the long plates on the outside of the conveyor belt. The long plates guide the PCB board to be conveyed on the conveyor belt, ensuring that the PCB board is accurately conveyed to the next workstation.

[0013] Furthermore, in the above-mentioned PCB board feeding mechanism, the suction cup device is provided with a suction sensor, and the feeding device is provided with a release sensor. When the lifting device drives the suction cup device to move downward, the PCB board on the material table triggers the suction sensor, the lifting device stops, and the suction cup device sucks the PCB board. When the lifting device drives the suction cup device to rise, the PCB board sucked by the suction cup device triggers the release sensor, the lifting device stops, and the suction cup device releases the PCB board.

[0014] It can be seen from the above technical scheme that the utility model has the following beneficial effects: the PCB board loading mechanism of the utility model can realize automatic loading by only stacking the PCB boards on the upper side of the loading platform, reducing labor costs and improving production efficiency. The suction cup connecting rod can move along the connecting rod through groove and the cross bar through groove, and then adjust the position of the suction cup to meet the loading requirements of PCB boards of different sizes, thereby improving the adaptability of the utility model. The suction cup connecting rods are stacked in pairs in an X-shape, which can meet the PCB layout requirements in the automated production process of PCB boards and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of the PCB board feeding mechanism of the utility model;

[0016] Figure 2 It is a partial enlarged view of the feeding device of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the lifting device of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the suction cup device of the utility model.

[0019] In the figure: 1, substrate, 2, material table, 3, lifting device, 31, lifting bracket, 32, lifting cylinder, 321, moving block, 33, guide rail, 331, slider, 34, I-shaped connecting plate, 35, suction cup bracket, 4, feeding device, 41, feeding bracket, 411, first bracket, 412, second bracket, 42, feeding cylinder, 421, long board, 43, conveyor belt, 431, driving wheel, 432, guide wheel, 5, suction cup device, 51, suction cup cross bar, 511, cross bar slot, 512, connecting rod slot, 52, suction cup connecting rod, 521, first suction cup connecting rod, 522, second suction cup connecting rod, 523, third suction cup connecting rod, 524, fourth suction cup connecting rod; 53, suction cup, 6, suction sensor, 7, release sensor. DETAILED DESCRIPTION

[0020] Example 1

[0021] like Figure 1-2 A PCB board feeding mechanism shown in the figure includes a substrate 1. A material table 2 and a lifting device 3 are provided on the top surface of the substrate 1, and the lifting device 3 is arranged near one end of the material table 2. A feeding device 4 is provided on the upper end of the material table 2. A suction cup device 5 is provided on the upper side of the lifting device 3, and the suction cup device 5 is drivingly connected to the lifting device 3, and the lifting device 3 drives the suction cup device 5 to rise and fall. The feeding device 4 includes a feeding bracket 41, a feeding cylinder 42, and a conveyor belt 43. The feeding bracket 41 is fixed to the upper side of the material table 2, the feeding cylinder 42 is arranged on the top surface of the feeding bracket 41, and the conveyor belt 43 is arranged on the upper side of the feeding bracket 41, and the feeding cylinder 42 and the conveyor belt 43 are drivingly connected. The feeding bracket 41, the feeding cylinder 42, and the conveyor belt 43 are arranged as a group on both sides of the lifting device 3. Two feeding cylinders 42 are arranged as a group on the top surface of the feeding bracket 41. The cylinder shaft of the feeding cylinder 42 is fixedly connected to the long plate 421, and the top surface of the long plate 421 is higher than the conveyor belt 43. The drive wheel 431 and the guide wheel 432 are axially connected to the long plate 421, and the drive wheel 431 and the guide wheel 432 are arranged on the side of the long plate 421 away from the feeding cylinder 42. The conveyor belt 43 is wound around the outside of the drive wheel 431 and the guide wheel 432, and the drive wheel 431 is connected to the motor 433, and the motor 433 drives the drive wheel 431 to rotate, and the drive wheel 431 drives the conveyor belt 43 to rotate.

[0022] The feeding bracket 41 includes a first bracket 411 and a second bracket 412; the first bracket 411 and the second bracket 412 are respectively arranged on both sides of the lifting device 3, the second bracket 412 is fixed to the side wall of the material table 2, an elliptical hole 4111 is arranged at the bottom of the first bracket 411, the first bracket 411 is movably connected to the material table 2 through the elliptical hole 4111, and the first bracket 411 is arranged on the side of the lifting device 3 away from the second bracket 412. The first bracket 411 can be moved through the elliptical hole 4111 to adjust the spacing of the conveyor belt 43 to meet the feeding requirements of PCB boards of different sizes. The suction cup device 5 is provided with a suction sensor 6, and the feeding device 4 is provided with a release sensor 7.

[0023] During work, workers stack the PCB boards on the upper side of the material table 2, and the PCB boards are close to the second bracket 412 to ensure that the PCB boards are in the same position. The feeding cylinder 42 drives the conveyor belt 43 to shrink and reset, and the lifting device 3 drives the suction cup device 5 to descend. The PCB board on the material table triggers the suction sensor 6, the lifting device 3 stops, and the suction cup device 5 sucks the PCB board. Then the lifting device 3 drives the suction cup device 5 to rise, and the PCB board sucked by the suction cup device 5 triggers the release sensor 7, the lifting device 3 stops, the feeding cylinder 42 pushes the conveyor belt 43, and finally the suction cup device 5 releases the PCB board, and the PCB board falls on the conveyor belt 43. The PCB board is between the long plates 421 on the outside of the conveyor belt 43, and the conveyor belt 43 rotates, and the long plates 421 guide the PCB board on the conveyor belt 43 to be transferred to the next workstation.

[0024] like Figure 3 In the PCB board feeding mechanism shown, the lifting device 3 includes a lifting bracket 31, the cross section of the lifting bracket 31 is L-shaped, the bottom end of the lifting bracket 31 is fixed to the top surface of the substrate 1, and the lifting bracket 31 is provided with a lifting cylinder 32 and a guide rail 33 on the side away from the feeding device 4. The lifting cylinder 32 is a rodless cylinder. The lifting cylinder 32 and the guide rail 33 are arranged in parallel. The lifting cylinder 32 is provided with a moving block 321. The lifting cylinder 32 drives the moving block 321 to move up and down, and the guide rail 33 is provided with a slider 331, and the slider 331 slides along the guide rail 33. The moving block 321 is connected to the slider 331 through an I-shaped connecting plate 34. A suction cup bracket 35 is provided at one end of the I-shaped connecting plate 34 away from the lifting cylinder 32. The suction cup bracket 35 slides up and down along the guide rail 33 under the drive of the lifting cylinder 32.

[0025] like Figure 4The PCB board feeding mechanism shown in the figure, the suction cup device 5 includes a suction cup cross bar 51, a suction cup connecting rod 52, the suction cup cross bar 51 is provided with a cross bar through groove 511, the suction cup connecting rod 52 is provided with a connecting rod through groove 512, and screws are penetrated through the cross bar through groove 511 and the connecting rod through groove 512. A suction cup 53 is penetrated through the end of the suction cup connecting rod 52 away from the suction cup cross bar 51. The cross bar through groove 511 and the connecting rod through groove 512 are set to be elliptical, the suction cup connecting rod 52 can be extended and retracted along the connecting rod through groove 512, and the suction cup connecting rod 52 can be moved along the cross bar through groove 511, and then the position of the suction cup 53 is adjusted to meet the feeding requirements of PCB boards of different sizes, thereby improving the adaptability of the utility model. The suction cup connecting rod 52 includes a first suction cup connecting rod 521, a second suction cup connecting rod 522, a third suction cup connecting rod 523, and a fourth suction cup connecting rod 524. The first suction cup connecting rod 521 and the second suction cup connecting rod 522 are arranged in an X-shaped stack. The third suction cup connecting rod 523 and the fourth suction cup connecting rod 524 are arranged in an X-shaped stack. The first suction cup connecting rod 521, the second suction cup connecting rod 522, the third suction cup connecting rod 523, and the fourth suction cup connecting rod 524 are respectively provided with suction cups 53 at one end away from the suction cup cross bar 51. The first suction cup connecting rod 521, the second suction cup connecting rod 522, the third suction cup connecting rod 523, and the fourth suction cup connecting rod 524 can suck up 4 PCB boards at a time, thereby improving the feeding efficiency. Two rows and two columns of PCB boards in the same row form one board, and the first suction cup connecting rod 521, the second suction cup connecting rod 522, the third suction cup connecting rod 523, and the fourth suction cup connecting rod 524 are arranged in an X-shaped stack.

[0026] The above embodiments are exemplary, and their purpose is to illustrate the technical concept and features of the utility model so that people familiar with this field can understand the content of the utility model and implement it accordingly, and they cannot limit the protection scope of the utility model in turn. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A PCB board feeding mechanism, characterized in that: The invention comprises a base plate (1); a material platform (2) and a lifting device (3) are provided on the top surface of the base plate (1); the lifting device (3) is arranged near one end of the material platform (2); a feeding device (4) is provided on the upper end of the material platform (2); a suction cup device (5) is provided on the upper side of the lifting device (3); the suction cup device (5) and the lifting device (3) are drivingly connected, and the lifting device (3) drives the suction cup device (5) to rise and fall; the feeding device (4) comprises a feeding bracket (41), a feeding cylinder (42), and a conveyor belt (43); the feeding bracket (41) is fixed on the upper side of the material platform (2), The feeding cylinder (42) is arranged on the top surface of the feeding bracket (41), the conveyor belt (43) is arranged on the upper side of the feeding bracket (41), and the feeding cylinder (42) and the conveyor belt (43) are drivingly connected; the feeding bracket (41), the feeding cylinder (42) and the conveyor belt (43) are arranged as a group on both sides of the lifting device (3); when the feeding cylinder (42) drives the conveyor belt (43) to shrink and reset, the suction cup device (5) descends to absorb the material; when the suction cup device (5) moves up to the upper side of the feeding device (4), the feeding cylinder (42) pushes the conveyor belt (43) out.

2. The PCB board feeding mechanism according to claim 1, characterized in that: The lifting device (3) comprises a lifting bracket (31), the bottom end of the lifting bracket (31) is fixed to the top surface of the base plate (1), and a lifting cylinder (32) and a guide rail (33) are provided on the side of the lifting bracket (31) away from the feeding device (4); the lifting cylinder (32) and the guide rail (33) are arranged in parallel; the lifting cylinder (32) is provided with a moving block (321), and the lifting cylinder (32) drives the moving block (321) to move up and down; the guide rail (33) is provided with a sliding block (331), and the sliding block (331) slides along the guide rail (33); the moving block (321) is connected to the sliding block (331) via an I-shaped connecting plate (34); a suction cup bracket (35) is provided on the end of the I-shaped connecting plate (34) away from the lifting cylinder (32); the suction cup bracket (35) slides up and down along the guide rail (33) under the drive of the lifting cylinder (32).

3. The PCB board feeding mechanism according to claim 1, characterized in that: The suction cup device (5) comprises a suction cup cross bar (51) and a suction cup connecting rod (52); the suction cup cross bar (51) is provided with a cross bar through slot (511); the suction cup connecting rod (52) is provided with a connecting rod through slot (512); screws are passed through the cross bar through slot (511) and the connecting rod through slot (512); and a suction cup (53) is passed through one end of the suction cup connecting rod (52) away from the suction cup cross bar (51).

4. The PCB board feeding mechanism according to claim 3, characterized in that: The suction cup connecting rod (52) comprises a first suction cup connecting rod (521), a second suction cup connecting rod (522), a third suction cup connecting rod (523), and a fourth suction cup connecting rod (524); the first suction cup connecting rod (521) and the second suction cup connecting rod (522) are arranged in an X-shaped stack; the third suction cup connecting rod (523) and the fourth suction cup connecting rod (524) are arranged in an X-shaped stack; and the first suction cup connecting rod (521), the second suction cup connecting rod (522), the third suction cup connecting rod (523), and the fourth suction cup connecting rod (524) are respectively provided with a suction cup (53) at one end away from the suction cup cross bar (51).

5. The PCB board feeding mechanism according to claim 2, characterized in that: The feeding bracket (41) comprises a first bracket (411) and a second bracket (412); the first bracket (411) and the second bracket (412) are respectively arranged on both sides of the lifting device (3); the second bracket (412) is fixed to the side wall of the material platform (2); an elliptical hole (4111) is arranged at the bottom of the first bracket (411); the first bracket (411) is movably connected to the material platform (2) via the elliptical hole (4111); and the first bracket (411) is arranged on a side of the lifting device (3) away from the second bracket (412).

6. The PCB board feeding mechanism according to claim 2, characterized in that: The lifting cylinder (32) is a rodless cylinder.

7. The PCB board feeding mechanism according to claim 1, characterized in that: The conveyor belt (43) is wound around the outside of the driving wheel (431) and the guide wheel (432); the driving wheel (431) and the motor (433) are drivingly connected; the motor (433) drives the driving wheel (431) to rotate.

8. The PCB board feeding mechanism according to claim 7, characterized in that: The feeding cylinders (42) are arranged in a group of two on the top surface of the feeding bracket (41); the cylinder shafts of the feeding cylinders (42) are fixedly connected to a long plate (421), and the top surface of the long plate (421) is higher than the conveyor belt (43); the shafts of the driving wheel (431) and the guide wheel (432) are movably connected to the long plate (421); the driving wheel (431) and the guide wheel (432) are arranged on a side of the long plate (421) away from the feeding cylinders (42).

9. The PCB board feeding mechanism according to claim 1, characterized in that: The suction cup device (5) is provided with a suction sensor (6), and the feeding device (4) is provided with a release sensor (7).

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